# The Danish Bladder Cancer Group 23 Study - A European Study on Cancer in the Upper Urinary Tract

> **NCT07077447** · — · RECRUITING · sponsor: **Zealand University Hospital** · enrollment: 2500 (estimated)

## Conditions studied

- Upper Urinary Tract Urothelial Carcinoma

## Interventions

- **PROCEDURE:** Kidney sparing surgery for high-risk upper urinary tract urothelial carcinoma

## Key facts

- **NCT ID:** NCT07077447
- **Lead sponsor:** Zealand University Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** RECRUITING
- **Start date:** 2025-11-26
- **Primary completion:** 2030-11-30
- **Final completion:** 2040-06-30
- **Target enrollment:** 2500 (ESTIMATED)
- **Last updated:** 2025-12-22

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07077447

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07077447, "The Danish Bladder Cancer Group 23 Study - A European Study on Cancer in the Upper Urinary Tract". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT07077447. Licensed CC0.

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